Hello, You may give a look to *getFeature* function (combining or not with function like *attribute* or spatial ones). There is also *RefFunctions* plugin that may help to use values/fields of another layer. But unfortunately, there is no list of such layers nor their fields in the dialog. You need to write them yourself and their values.
2015-03-25 18:14 GMT+01:00 Matteo Ghetta <matteo.ghe...@gmail.com>: > Hi all, > very simple question. > In the rule-based classification (vector) is it possible to use values of > another layer loaded in QGIS? > > For example. Point vector and I want to display as red each feature that > has a value greater than a value stored in another point layer (or in a > table). > In the expression builder there are the fields of the active layer. > > Is it possible to call the fields of other layers? > > Thanks > > Cheers > > Matteo > > > > _______________________________________________ > Qgis-user mailing list > Qgis-user@lists.osgeo.org > http://lists.osgeo.org/mailman/listinfo/qgis-user >
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